Scabies Flashcards

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1
Q

Mite is / is not ? host specific

A

is not host specific

zoonotic!

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2
Q

scientific name

A

sarcoptes scabiei var. canis

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3
Q

Male mite lives on

A

skin surface (don’t need to scrape deep)

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4
Q

life cycle

A

3 weeks

same for fleas, demodex, ear mites

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5
Q

lesions

A

pruritic papules

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6
Q

incubation period

A

typically 21-30 days (could be 1-60)

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7
Q

time of onset of scabies reaction?

A

quicker if previous exposure, bc its a hypersensitivity allergic reaction

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8
Q

clinical signs of scabies

A

intense pruritis
papule from mite burrowing in stratum corneum -> intense itching(excoriations, crusts, alopecia) -> secondary infection areas of low hair density: ventral abdomen, margins of pinna, hocks, elbows

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9
Q

chronic signs of scabies

A

hyperpigmentation
lymphadenopathy
weight loss
hyperglobulinemia

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10
Q

Norwegian scabies

A

rare
thick crusts
numberous mites
***little pruritis! (b/c immunosuppressed, on steroids, or puppies)

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11
Q

scabies incognito

A

well groomed animals
intense prurities
no lesions

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12
Q

does a negative skin scrape r/o scabies?

A

nope

treat and see how it responds

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13
Q

scabies therapy

A
topical
- lime sulfur (also helps with itching)
- selamectin(revolution)
- fipronil (frontline)
systemic
- ivermectin (heartgard)
- milbemycin
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14
Q

if an animal has scabies what should you consider

A

treat all animals its been in contact with.
treat secondary infection
may stay itchy bc of hypersensitivity and need steroids in addition to treatment of mites

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15
Q

if you’ve given steroids and the dogs still itchy

A

think scabies, food or yeast

everything should get better with steroids

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16
Q

feline scabies

A

notoedres

extreme pruritis, erythema, crusting, papules on head and neck, pinna

17
Q

therapy feline scabies

A

dipping wouldnt be fun

  • revolution! or advantage multi
  • ivermectin is rough
18
Q

cheyletiella

A

not in florida, easily killed by flea products
large mite
can be zoonotic!

19
Q

shape of cheyletiella

A

back legs stick out, more prominent head with big hooks

20
Q

clinical signs of cheyletiella

A

walking dandruff
often puppies
dorsal distribution!!
in cats may have pruritis

21
Q

diagnosis of cheyletiella

A

flea comb, skin scrab, tape flakes look under microscope

22
Q

therapy for cheyletiella

A

pyrethrin
lime sulfur dip
ivermectin
**dont use fipronil on a rabbit

23
Q

pediculosis

A

lice

24
Q

lice zoonosis?

A

no! lice are host specific!

25
Q

lice therapy

A

pyrethrin
fipronil
lime dip
also clip coat (easy way to get rid of eggs)